Due to significant recent staff reductions, USGS data collection at this location will be discontinued Nov 2026. For more information, please email GS-W-LMG_Data_Chief@usgs.gov

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Available data

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Continuous data

7 data types available - data from 2007-10-01 to 2026-08-03

Daily data

4 data types available - data from 1997-04-10 to 2026-08-02

Field measurements

1 data types available - data from 2006-08-17 to 2025-12-15

Discrete sample data

0 observed properties (data types) available

Statistical tables for select daily data types

4 data types available - data from 1997-04-10 to 2026-08-02

Location details and information

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Operated in cooperation with:

Louisiana Department of Wildlife & Fisheries

USGS - Cooperative Matching Funds

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	07387040	n/a
Location name	Vermilion Bay near Cypremort Point, LA	n/a
Site type	Lake, Reservoir, Impoundment	LK
Decimal latitude (WGS84)	29.713291393574323	n/a
Decimal longitude (WGS84)	-91.88041432611097	n/a
Latitude-longitude method	Interpolated from MAP.	M
Latitude-longitude accuracy	Unknown or unspecified.	U
District	Louisiana	22
State	Louisiana	22
County	St. Mary Parish	101
Country	United States of America	n/a
Altitude of gage/land surface	-1.48 feet	n/a
Method altitude determined	Reported method of determination.	R
Altitude accuracy	0.2 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Vermilion	08080103
Drainage basin		n/a
Date of first construction		n/a
Drainage area		n/a
Contributing drainage area		n/a
Time zone abbreviation	CST	n/a
Site honors Daylight Saving Time	Y	n/a
National aquifer		n/a
Local aquifer		n/a
Local aquifer type		n/a
Well depth		n/a
Hole depth		n/a
Source of depth data		n/a

Monitoring location Vermilion Bay near Cypremort Point, LA - USGS-07387040